Valve system assembly



FIG. 1 is a top perspective view of valve system assembly;

FIG. 2 is a bottom perspective view of the valve system assembly;

FIG. 3 is a top view of the valve system assembly;

FIG. 4 is a side view of the valve system assembly, the opposite side being a mirror image thereof;

FIG. 5 is a front view of the valve system assembly, the rear view being a mirror image thereof;

FIG. 6 is a bottom view of the valve system assembly; and,

FIG. 7 is a cross section view of the valve system assembly. 

I claim, the ornamental design for the valve system assembly, as shown and described. 